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| 型号： | ISL6522CVZ-T |
| 厂商： | Intersil |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM VM 14-TSSOP |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 100% |
| 电源电压： | 10.8 V ~ 13.2 V |
| 降压： | 是 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
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G NS ,I N TE O D U C T
Data Sheet PR
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ES I D
R N E - I N EN H A
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RSIL REC -I SL65
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March 10, 2006
ISL6522
FN9030.8
Buck and Synchronous Rectifier
Pulse-Width Modulator (PWM) Controller
The ISL6522 provides complete control and protection for a
DC-DC converter optimized for high-performance micro-
processor applications. It is designed to drive two N-Channel
MOSFETs in a synchronous rectified buck topology. The
ISL6522 integrates all of the control, output adjustment,
monitoring and protection functions into a single package.
The output voltage of the converter can be precisely
regulated to as low as 0.8V, with a maximum tolerance of
± 1% over temperature and line voltage variations.
The ISL6522 provides simple, single feedback loop, voltage-
mode control with fast transient response. It includes a
200kHz free-running triangle-wave oscillator that is
adjustable from below 50kHz to over 1MHz. The error
amplifier features a 15MHz gain-bandwidth product and
6V/ μ s slew rate which enables high converter bandwidth for
fast transient performance. The resulting PWM duty ratio
ranges from 0–100%.
The ISL6522 protects against overcurrent conditions by
inhibiting PWM operation. The ISL6522 monitors the current
by using the r DS(ON) of the upper MOSFET which eliminates
the need for a current sensing resistor.
Features
? Drives two N-Channel MOSFETs
? Operates from +5V or +12V input
? Simple single-loop control design
- Voltage-mode PWM control
? Fast transient response
- High-bandwidth error amplifier
- Full 0–100% duty ratio
? Excellent output voltage regulation
- 0.8V internal reference
- ± 1% over line voltage and temperature
? Overcurrent fault monitor
- Does not require extra current sensing element
- Uses MOSFETs r DS(ON)
? Converter can source and sink current
? Small converter size
- Constant frequency operation
- 200kHz free-running oscillator programmable from
50kHz to over 1MHz
? 14-lead SOIC and TSSOP package and 16-lead 5x5mm
QFN Package
Pinouts
SOIC, TSSOP
TOP VIEW
? QFN Package
- Compliant to JEDEC PUB95 MO-220 QFN-Quad Flat
No Leads-Product Outline.
RT
OCSET
SS
COMP
FB
1
2
3
4
5
14 VCC
13 PVCC
12 LGATE
11 PGND
10 BOOT
- Near Chip-Scale Package Footprint; Improves PCB
Efficiency and Thinner in Profile
? Pb-free plus anneal available (RoHS compliant)
Applications
EN
GND
6
7
9
8
UGATE
PHASE
? Power supply for Pentium ? , Pentium Pro, PowerPC ? and
AlphaPC? microprocessors
QFN
TOP VIEW
? High-power 5V to 3.xV DC-DC regulators
? Low-voltage distributed power supplies
SS 1
COMP 2
16
15
14
13
12 PVCC
11 LGATE
GND
FB 3
10 PGND
EN 4
9
BOOT
5
6
7
8
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright ? Intersil Americas Inc. 2001, 2002, 2004-2006. All Rights Reserved
PowerPC ? is a trademark of IBM. AlphaPC? is a trademark of Digital Equipment Corporation. Pentium ? is a registered trademark of Intel Corporation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL6522CVZ-TR5190 | 制造商:Intersil Corporation 功能描述:VOLT MODE PWM CNTRLR 0.8V TO 12V 500MA 14TSSOP - Tape and Reel 制造商:Intersil Corporation 功能描述:IC REG CTRLR BUCK PWM 14TSSOP 制造商:Intersil 功能描述:52831C01 MASKONLYFOR CUSTMRS LIKE ATI STD |
| ISL6522EVAL1 | 功能描述:EVALUATION BOARD ISL6522 RoHS:否 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:True Shutdown™ 主要目的:DC/DC，步升 输出及类型:1，非隔离 功率 - 输出:- 输出电压:- 电流 - 输出:1A 输入电压:2.5 V ~ 5.5 V 稳压器拓扑结构:升压 频率 - 开关:3MHz 板类型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| ISL6522IB | 功能描述:IC REG CTRLR BST PWM VM 14-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| ISL6522IB-T | 功能描述:IC REG CTRLR BST PWM VM 14-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| ISL6522IBZ | 功能描述:IC REG CTRLR BST PWM VM 14-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:275kHz 占空比:50% 电源电压:18 V ~ 110 V 降压:无 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) |
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